Home / 7,442.73-11,133.32-6,111.50

Finding the Fourth Proportional to 7,442.73, 11,133.32 and 6,111.50

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Solution

The fourth proportional to 7,442.73, 11,133.32 and 6,111.50 is: 9,141.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.73 : 11,133.32 = 6,111.50 : x
  2. Step 2: Convert to fraction form
    7,442.73/11,133.32 = 6,111.50/x
  3. Step 3: Cross multiply
    7,442.73x = 11,133.32 × 6,111.50
  4. Step 4: Simplify right side
    7,442.73x = 68,041,198.96
  5. Step 5: Solve for x
    x = 68,041,198.96/7,442.73
  6. Step 6: Final answer
    x = 9,141.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.